UK: https://www.ons.gov.uk/economy/inflationandpriceindices/bulletins/consumerpriceinflation/april2022
Other countries - chose 5 years on the graph:
Poland: https://tradingeconomics.com/poland/consumer-price-index-cpi
Italy: https://tradingeconomics.com/italy/consumer-price-index-cpi
Spain: https://tradingeconomics.com/spain/consumer-price-index-cpi
It seems that it started in April 2021, so it’s not that much covid related because it was the end of covid and beginning of vaccines.
It really looks like manufactured.
UK: https://www.ons.gov.uk/economy/inflationandpriceindices/bulletins/consumerpriceinflation/april2022
Poland: https://tradingeconomics.com/poland/consumer-price-index-cpi